Year	% of GDP
1995	18.33629389835388
1996	18.16805584657219
1997	18.39943061514537
1998	18.15923392189449
1999	17.307092307463737
2000	17.535974450066387
2001	17.040542130456476
2002	16.79458705191727
2003	16.200237410926448
2004	16.089936079040577
2005	15.870945975584897
2006	15.018537512513397
2007	15.060318277021434
2008	13.992740724693675
2009	12.918041473962747
2010	13.338598518863657
2011	12.929059350295425
2012	12.624208680682603
2013	12.562639991855018
2014	12.56468619487731
2015	12.693333883687455
2016	12.356944075977486
2017	12.429117530812823
2018	12.173677341719653
2019	12.34546442877252
2020	12.262689149493895
2021	12.043883689602747
2022	12.643263780740174
2023	11.875582457911243
